My settings:
[dosbox]
machine=svga_s3
memsize=32
vmemsize=8
[render]
frameskip=0
[cpu]
core=dynamic
#valid cputypes (Ykhwong SVN):
# a)auto
# b)386
# c)486
# d)pentium
# e)386_prefetch
# f)pentium_mmx
cputype=auto
cycles=max
[mixer]
blocksize=512
prebuffer=0
rate=44100
[midi]
mpu401=intelligent
mididevice=mt32
mt32.romdir=/storage/emulated/0/MagicBox/MT32ROM
mt32.thread=off
mt32.analog=0
mt32.reverse.stereo=off
mt32.dac=1
mt32.reverb.mode=auto
mt32.reverb.time=5
mt32.reverb.level=3
mt32.partials=32
[speaker]
pcspeaker=false
pcrate=11025
tandy=off
disney=false
[sblaster]
sbtype=sb16
sbmixer=true
oplmode=auto
oplemu=fast
oplrate=44100